This graphic utility, "Gifsicle", appears to be an excellent addition to Puppy for creating/manipulating Animated GIFs which can be used to report issues on the forum.

Could/would anyone help?

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Add new resize sampling methods ‘mix’, ‘box’, ‘catrom’, ‘mitchell’, ‘lanczos2’, and ‘lanczos3’, selectable by ‘--resize-method’. The ‘catrom’ filter often gives good results; the slightly faster ‘mix’ method (a bilinear interpolator) is now the default. These new sampling methods consider all of the image’s input colors when shrinking the image, producing better, less noisy output for most images.

Add ‘--resize-colors’, which allows Gifsicle to enlarge the palette when resizing images. This is particularly important when shrinking images with small colormaps---e.g., shrinking a black-and-white image should probably introduce shades of gray.

Support extensions such as XMP4 in which extension packet boundaries matter. Reported by ‘ata4’.

Many bug fixes, especially to cropping. Thanks to Tumblr and to Bryan Stillwell, Tal Lev-Ami, "Marco," and others.

1.77 26.Nov.2013
Major improvements to color selection (important when reducing colormap size). Use gamma-corrected colors in selection and dithering; this makes image quality much better. Also, when reducing colors with dithering, prefer to select colors that dithering can’t approximate.

Add ordered dithering modes, which avoid animation artifacts. The default ordered dithering mode (‘--dither=ordered’) is a novel mode that combines some of the visual advantages of error diffusion with the artifact avoidance of ordered dithering.

Add halftone dithering (‘--dither=halftone’).

gifview: Improved cache memory management for better animations. Collect memory for old frames based on an explicit --memory-limit (default 40MB).

1.73 15.Nov.2013
Fix bug where ‘-O2’ would refuse to optimize some images with local color tables, claiming that "more than 256 colors were required". What was really required is previous disposal. Reported by Bryan Stillwell.

1.68 24.Nov.2012
gifsicle: Alberto Nannini reported some images that are optimized beyond what Gifsicle can do. In fact, Gifsicle’s GIF writer was limited enough that even when running without optimization, it seriously expanded the input images. Some improvements to Gifsicle’s writing procedure avoid this problem; now ‘gifsicle IMAGE’ will produce large results less often, and when it does generate larger results, they’re larger by hundreds of bytes, not hundreds of thousands. However, due to restrictions in the current optimizer (and on my time), I was unable to improve ‘gifsicle -O3”s handling of these images. The optimizer that produced the images must be doing something pretty clever. (Is it SuperGIF?)

1.65 2.Apr.2012
gifsicle: Several users (Kornel Lesiński and others) reported "bugs" with Gifsicle-optimized images and Mac programs like Safari. The bug is in Safari, but add --careful to work around it.

Improve -O3 a bit (although for some images, the new -O3 is bigger than the old).

1.61 25.Feb.2011
gifsicle: Add new -O3 optimization level, which applies several transparency heuristics and picks the one with the best result. David Jamroga pointed out a file that gifsicle made larger; -O3 shrinks it.

gifsicle: Correct some optimizer bugs introduced in 1.59 that could lead to visually different output.

gifdiff: Add -w/--ignore-redundancy option.

gifview: Correct crash bug.

gifsicle/gifdiff: Correct occasionally odd error messages.

1.60 12.Apr.2010
GIF reading library: Correct error that could corrupt the reading of certain large images. Reported by Jernej Simončič.

Thanks @Geoffrey. I installed it in Slacko570, but have not tested as of yet. I'm guessing a Caroline compiled PET will work in 32bit Slackos.

Code:

# which gifsicle
/usr/bin/gifsicle

# gifsicle --version
LCDF Gifsicle 1.83
Copyright (C) 1997-2014 Eddie Kohler
This is free software; see the source for copying conditions.
There is NO warranty, not even for merchantability or fitness for a
particular purpose.

Geoffrey wrote:

...I have no idea how to use it...

Saw this Guide to get one started._________________Get ACTIVE Create Circles; Do those good things which benefit people's needs!
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